Heat dissipation fan



FIG. 1 is a perspective view of the heat dissipation fan showing our newdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view of another aspect of the “heat dissipationfan”, showing parts of the “heat dissipation fan” which is in a closedstate.

The broken line showing of “heat dissipation fan” is for the purpose ofillustrating environmental structures only and forms no part of theclaimed design.

The ornamental design for a heat dissipation fan, as shown anddescribed.